Home / 6,631.80-9,947.70-2,734.08

Finding the Fourth Proportional to 6,631.80, 9,947.70 and 2,734.08

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Solution

The fourth proportional to 6,631.80, 9,947.70 and 2,734.08 is: 4,101.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,631.80 : 9,947.70 = 2,734.08 : x
  2. Step 2: Convert to fraction form
    6,631.80/9,947.70 = 2,734.08/x
  3. Step 3: Cross multiply
    6,631.80x = 9,947.70 × 2,734.08
  4. Step 4: Simplify right side
    6,631.80x = 27,197,807.62
  5. Step 5: Solve for x
    x = 27,197,807.62/6,631.80
  6. Step 6: Final answer
    x = 4,101.12

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.